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Article • Quím. Nova 47 (5) • 2024 • https://doi.org/10.21577/0100-4042.20230134   copy

A CHARGE-ASSISTED HYDROGEN-BONDED ORGANIC FRAMEWORK FOR SELECTIVE SEPARATION OF P-XYLENE

Authorship SCIMAGO INSTITUTIONS RANKINGS

A charge-assisted hydrogen-bonded organic framework (HOF) FJU-201 is constructed by N,N’-bis(5-isophthalic acid)naphthalimide divalent anion (H2L2-), p-xylene and dimethylammonium. FJU-201 can only crystallize in solutions containing p-xylene, and cannot crystallize in both o-xylene and m-xylene. FJU-201 can also crystallize in xylene mixtures with the content of p-xylene is not less than 50%, which can be used for separating and purifying p-xylene, and it has good recyclability.

Keywords:
hydrogen-bonded organic framework; p-xylene separation; selectivity

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